Berechnungstool
TPS23753A
PoE-Schnittstelle nach IEEE 802.3-2005 und Controller für isolierte Wandler mit erweiterter ESD-Ride
Datenblatt
TPS23753A
- Enhanced ESD ride-through capability
- Optimized for isolated converters
- Complete PoE interface
- Adapter ORing support
- 12-V adapter support
- Programmable frequency with synchronization
- Robust 100-V, 0.7-Ω hotswap MOSFET
- Small 14-Pin TSSOP package
- 15-kV and 8-kV system level ESD capable
- –40°C to 125°C junction temperature range
- Design procedure application note – SLVA305
- Adapter oring application note – SLVA306
The TPS23753A is a combined Power over Ethernet (PoE) powered device (PD) interface and current-mode DC-DC controller optimized specifically for isolated converter designs. The PoE implementation supports the IEEE 802.3at standard as a 13-W, type 1 PD. The requirements for an IEEE 802.3at type 1 device are a superset of IEEE 802.3-2008 (originally IEEE 802.3af).
The TPS23753A supports a number of input-voltage ORing options including highest voltage, external adapter preference, and PoE preference.
The PoE interface features an external detection signature pin that can also be used to disable the internal hotswap MOSFET. This allows the PoE function to be turned off. Classification can be programmed to any of the defined types with a single resistor.
The DC-DC controller features a bootstrap start-up mechanism with an internal, switched current source. This provides the advantages of cycling overload fault protection without the constant power loss of a pullup resistor.
The programmable oscillator may be synchronized to a higher-frequency external timing reference. The TPS23753A features improvements for uninterrupted device operation through an ESD event.
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Evaluierungsplatine
TPS23753AEVM-001 — 5 Vout, 7 W, IEEE 802.3-2005-konform, PD-Controller, PS-Controller-EVM für TPS23753AEVM-001
The TPS23753AEVM-001 contains evaluation and reference circuitry for the TPS23753A, which is a Class 3 PoE PD + PWM Controller. It contains input and output power connectors and an array of onboard test points for circuit evaluation. The TPS23753AEVM-002 (3.3-V output) can be configured with simple (...)
Benutzerhandbuch: PDF
Evaluierungsplatine
TPS23753AEVM-004 — TPS23753AEVM-004 3,3 Vout, 10 W, IEEE 802.3-2005 konform PD-Controller, PS-Controller – Evaluierungs
TPS23753AEVM-004 contains evaluation and reference circuitry for the TPS23753A, which is a Class 3 PoE PD + PWM Controller. It contains input and output power connectors and an array of onboard test points for circuit evaluation. The TPS23753AEVM-003 (5-V output) and TPS23753AEVM-005 (12-V output) (...)
Benutzerhandbuch: PDF
Simulationstool
PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool
PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
Referenzdesigns
PMP11107 — Isolierter Flyback-Wandler der Klasse 3 mit zwei Ausgängen für PoE-Anwendungen – Referenzdesign
This converter is used for Class 3 PoE applications that require 3.3V/1A and 5V/1A outputs. The dual output flyback converter with synchronous rectifiers provides excellent efficiency and small size for PoE applications, such as an IP phone. The TPS23753A contains both the PoE powered device (...)
Referenzdesigns
TIDM-1018 — Power Over Ethernet® (PoE)-Referenzdesign für industrielle Gateways
This reference design integrates TI's Power over Ethernet (PoE) with the high-performance SimpleLink™ MSP432E4 Ethernet microcontroller (MCU) with Ethernet to enable customers to develop applications for Internet of Things (IoT) in a small form factor board. The design increases the value of (...)
Referenzdesigns
PMP11271 — Referenzdesign für isolierten PoE-Flyback-Wandler/Abwärts-POL-Wandler der Klasse 3 (5 V/1,25 A, 3,3
The PMP11271 reference design is ideal for Class 3 PoE PD applications such as IP phones. The TPS23753A combined PD controller/PWM controller saves cost and size by providing both functions is a single package. The TPS62082 synchronous buck converter has integrated FETs, resulting (...)
Referenzdesigns
PMP20531 — Referenzdesign für kostenoptimierten isolierten PoE-Flyback-Wandler der Klasse 3 (12 V/625 mA)
The PMP20531 reference design is an isolated flyback converter utilizing the TPS23753A combined PoE PD controller and PWM controller. Diode rectification provides a cost effective design for use in PoE applications such as IP security cameras. The input is the standard PoE voltage (...)
Referenzdesigns
TIDM-TM4C129POEAUDIO — Audiokommunikation mit Power Over Ethernet (PoE) – Referenzdesign
This design uses Texas Instrument's high performance TM4C129x microcontrollers (MCUs) with integrated Ethernet PHY to capture, exchange and playback audio efficiently with power supplied over the network (PoE solution) instead of separate external power sources. The application uses TivaWare (...)
Referenzdesigns
TIDM-TM4C129POE — TM4C129POE Power Over Ethernet (PoE) – Referenzdesign für das vernetzte IoT
This design integrates Texas Instruments PoE solutions with TM4C129x high performance microcontrollers to enable customers to develop applications for IoT in a small form factor board. Ability to derive power over existing network cable with intelligence to gather, process and exchange data with (...)
Referenzdesigns
PMP9175 — Hocheffizienter synchroner Flyback-Wandler für PoE-Anwendungen gemäß Klasse 3 mit 5 V/2,3 A – Refere
This converter is used for Class 3 PoE applications where high efficiency and isolation are required. The specific output for this design is 5V@2.3A. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications such as a IP Phones. The (...)
Referenzdesigns
TIDA-00079 — Referenzdesign für hocheffizientes IP-Kamera-Stromversorgungsmodul der Klasse 1 für PoE
This IP Camera power module is a highly efficient power solution that enables high performance 1080p operation at the Class 1 PoE power level. This innovative power module, used in the low power DM385-AR331 IP Camera, relies on highly efficient switchers like the TPS5432 that are also very cost (...)
Referenzdesigns
PMP7355 — Referenzdesign für kostenoptimierten Flyback-Wandler der Klasse 3 für PoE-Anwendungen
This reference evaluation module, featuring the TPS23753A PoE interface and isolated converter controller, is used for class 3 PoE applications where low cost is required.
The flyback topology with diode rectifier results in a low cost converter with reasonable size and efficiency.
Referenzdesigns
PMP8803 — Referenzdesign für preiswerten Flyback-Wandler (12 V/1 A) gemäß Klasse 3 für PoE-Anwendungen
This converter is used for Class 3 PoE applications. The flyback converter with diode rectifier offers low cost while still achieving good efficiency. This converter is well sutied for PoE applications such as IP security cameras. The TPS23753A contains both the PoE Powered Device and the PWM (...)
Test report: PDF
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| TSSOP (PW) | 14 | Ultra Librarian |
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